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Finding the Fourth Proportional to 52,982.92, 79,458.53 and 17,437.68

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Solution

The fourth proportional to 52,982.92, 79,458.53 and 17,437.68 is: 26,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,982.92 : 79,458.53 = 17,437.68 : x
  2. Step 2: Convert to fraction form
    52,982.92/79,458.53 = 17,437.68/x
  3. Step 3: Cross multiply
    52,982.92x = 79,458.53 × 17,437.68
  4. Step 4: Simplify right side
    52,982.92x = 1,385,572,454.83
  5. Step 5: Solve for x
    x = 1,385,572,454.83/52,982.92
  6. Step 6: Final answer
    x = 26,151.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.